Pitt; William V.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Pitt; William V..The latest application filed is for "atmospheric resistant doors".
- Pitt; William V. - Waco TX
| Patent | Date |
|---|---|
| Atmospheric resistant doors Grant 4,429,498 - Pitt * February 7, 1 | 1984-02-07 |
| Method of manufacturing atmospheric resistant doors Grant 4,374,693 - Pitt February 22, 1 | 1983-02-22 |
| Atmospheric resistant doors Grant 4,281,493 - Pitt August 4, 1 | 1981-08-04 |
| Atmospheric resistant doors and method of manufacture Grant 4,068,431 - Pitt January 17, 1 | 1978-01-17 |
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